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Subject: Science, asked on 15/3/18

In the science exams will we get questions from practicals? I meN we already included that in external assessment right? Or...

Subject: Science, asked on 14/3/18

Hello sir can you please send the important questions of the lab manual activities side (section B of 12 marks) Please ;-;

Subject: Science, asked on 26/2/18

Friends! I need your help! Can you provide me some practical questions of science for the boards from anywhere.... Pls I request you!
Experts dont answer this... You will close the conversation!

Subject: Science, asked on 22/2/18

Friends, help your friend please. Please provide some pictures of your practical questions either from pre boards or reference book or anywhere for boards.

Subject: Science, asked on 22/2/18

Q52. 
Answer key shows answer is option (4). But phenolpthaelin remains colorless under neutral conditions. Please clear my doubt

Subject: Science, asked on 9/2/18

Q22.

22.  Write two precautions required while finding the pH of the samples. 

Subject: Science, asked on 26/12/17

Can I get some important practical questions for my pre-boards for science?

Subject: Science, asked on 20/12/17

Mass of the body is 25 kg. what is its weight in Newton on earth? The body is carried to a planet whose mass is two times the mass of earth and radius is half that of earth. What will be the mass and weight of the body on the planet? (TAKE THE VALUE OF g ON EARTH AS10 m s^-2

Subject: Science, asked on 30/10/17

Can you tell me the most probable dates for cbse class 10 boards exams for the session 2017-18

Subject: Science, asked on 21/9/17

Section B all que:

25. A student was asked to pick a bottle of alkali for testing its pH. He should chose the bottle that contains :
(a) HCl                  (b) NaOH
(c) HNO3                (d) ZnCl2

26. A student took the following samples to find out their pH using pH paper. The teacher remarked that he will not be able to find the pH of one of the samples because it was not taken in proper form. The teacher was referring to : 
(a) dil. HCI                               (b) lemon juice 
(c) Solid sodium bicarbonate      (d) soap solution. 

27. A student was testing for liberation of C02 by action of HCI and Na2C03. When he passed C02 through lime water, milkiness was formed due to the formation of : 
(a) CaCO3       (b) Ca(OH)2
(c) Ca(HCO3)2 (d) Cao
 

Subject: Science, asked on 29/9/16

equation of photosythesis

Subject: Science, asked on 23/9/16

a powerful motorcycle can accelerate from rest to 28m per s in only 4s. 1)what is its average acceleration 2)how far does it travel in that time

Subject: Science, asked on 9/9/16

I want SA1 sample question papers for X class 

Subject: Science, asked on 8/9/16

A fruit juice is tested for its ph value. What could be its possible pH if the colour is changed to yellow
1. Less than 3
2. More than 7.5
3. 7
4. Between 6.5 and 7.5

Subject: Science, asked on 25/5/16

what is the difference between crystillization and fractional crystillization

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